To devise ways and means of decongesting roads in Shimla, and to regulate traffic in a better manner, a meeting was chaired by additional district magistrate (law and order) GC Negi on Saturday, in which officials from different departments also participated.

"The analysis of the data generated before, during event and after the event shows that the total period was highly influenced by meteorological parameters like wind speed, wind direction, ambient temperature etc.

The report, which is based on a study carried out by the CRRI under the director, Dr Satish Chandra, during the odd-even fortnight, found a stark difference between the impact of the first odd-even fortnight and the second one, in April.

Last year, more than 11,000 diesel taxis were registered in Delhi alone. EPCA on Wednesday held a meeting with various taxi operators, including those holding an all-India tourist permit (AITP) and aggregators, in order to prepare a strategy on how diesel taxis on AITP could be phased out.

He said the city government has undertaken a series of measures to curb pollution, both from vehicles and dust, which include marking of dedicated bus lanes and vacuum cleaning of roads under the Delhi government.

It is a fundamental law in economics that when supply is low prices go up and when it is high they come down. The converse happens with increase and decrease in demand. This allows markets to stabilise at a point of equilibrium.